net.xoetrope.awt
Class AwtWidgetAdapter

java.lang.Object
  net.xoetrope.xui.WidgetAdapter
      net.xoetrope.awt.AwtWidgetAdapter

public class AwtWidgetAdapter

extends WidgetAdapter

Adapts the abstract component definition used by the common xui (net.xoetrope.xui) package to the concrete definition of an AWT component.

Copyright (c) Xoetrope Ltd., 1998-2005

getInstance

public static WidgetAdapter getInstance()

Get an instance of this adapter. The adapter is itself stateless so only a single instance of the class is required.

Returns:

the adapter instance

getName

public java.lang.String getName(java.lang.Object component)

Get the name of the object

Specified by:

getName in class WidgetAdapter

Parameters:

component - The component instance

Returns:

The name

getComponentCount

public int getComponentCount(java.lang.Object container)

Get the number of child components owned by this component, assuming that the component is a container.

Specified by:

getComponentCount in class WidgetAdapter

Parameters:

container - the container instance

Returns:

the number of children

getComponents

public java.lang.Object[] getComponents(java.lang.Object container)

Get the children. Assumes that the object is a container

Specified by:

getComponents in class WidgetAdapter

Parameters:

container - the container instance

Returns:

an array of the child components

getComponent

public java.lang.Object getComponent(java.lang.Object container,
                                     int i)

Get the child component at a specific index within the container. Assumes that the object is a container

Specified by:

getComponent in class WidgetAdapter

Parameters:

container - the container instance

i - the component index

Returns:

an array of the child components

isVisible

public boolean isVisible(java.lang.Object component)

Is the component visible?

Specified by:

isVisible in class WidgetAdapter

Parameters:

component - the component instance

Returns:

true if the component is visible

setVisible

public void setVisible(java.lang.Object component,
                       boolean state)

Set the component visiblity

Specified by:

setVisible in class WidgetAdapter

Parameters:

component - the component instance

state - true if the component is to be made visible

remove

public void remove(java.lang.Object component,
                   java.lang.Object obj)

Remove a component from the container

Specified by:

remove in class WidgetAdapter

Parameters:

component - the container instance

obj - the component to remove

removeAll

public void removeAll(java.lang.Object component)

Remove all components from the container

Specified by:

removeAll in class WidgetAdapter

Parameters:

component - the container instance

add

public void add(java.lang.Object container,
                java.lang.Object comp)

Add a component to the container

Specified by:

add in class WidgetAdapter

Parameters:

container - the container instance

comp - the component instance

add

public void add(java.lang.Object container,
                java.lang.Object comp,
                java.lang.Object constraint)

Add a component to the container using a layout manager constraint

Specified by:

add in class WidgetAdapter

Parameters:

container - the container instance

comp - the component instance

constraint - the layout constraint

setLayout

public void setLayout(java.lang.Object component,
                      java.lang.Object lm)

Set the layout manager for the container

Specified by:

setLayout in class WidgetAdapter

Parameters:

component - the container instance

lm - the LayoutManager instance

getLayout

public java.lang.Object getLayout(java.lang.Object component)

Get the layout manager used by the container

Specified by:

getLayout in class WidgetAdapter

Parameters:

component - the container instance

Returns:

the LayoutManager instance

doLayout

public void doLayout(java.lang.Object component)

Request that the container updates its layout

Specified by:

doLayout in class WidgetAdapter

Parameters:

component - the container instance

setForeground

public void setForeground(java.lang.Object component,
                          java.lang.Object c)

Set the foreground color

Specified by:

setForeground in class WidgetAdapter

Parameters:

component - the container instance

c - the color

setBackground

public void setBackground(java.lang.Object component,
                          java.lang.Object c)

Set the background color

Specified by:

setBackground in class WidgetAdapter

Parameters:

component - the container instance

c - the color

setFont

public void setFont(java.lang.Object component,
                    java.lang.Object f)

Set the font

Specified by:

setFont in class WidgetAdapter

Parameters:

component - the container instance

f - the font

getSize

public java.lang.Object getSize(java.lang.Object component)

Get the size of the component

Specified by:

getSize in class WidgetAdapter

Parameters:

component - the container instance

Returns:

the size (an instance of java.awt.Dimension) of the object

getParent

public java.lang.Object getParent(java.lang.Object component)

Get the parent/owner object

Specified by:

getParent in class WidgetAdapter

Parameters:

component - the container instance

Returns:

the parent Component

setEnabled

public void setEnabled(java.lang.Object component,
                       boolean b)

Set the enabled state of the component

Specified by:

setEnabled in class WidgetAdapter

Parameters:

component - the container instance

b - true to enable

setCursor

public void setCursor(java.lang.Object component,
                      java.lang.Object cursor)

Set the current cursor for the component

Specified by:

setCursor in class WidgetAdapter

Parameters:

component - the container instance

cursor - the cursor object

setBounds

public void setBounds(java.lang.Object component,
                      int x,
                      int y,
                      int w,
                      int h)

Set the current bounds for the component

Specified by:

setBounds in class WidgetAdapter

Parameters:

component - the container instance

x - the left/x edge coordinates

y - the top/y edge coordinates

w - the width dimension

h - the height dimension

setSize

public void setSize(java.lang.Object component,
                    int w,
                    int h)

Set the size of the component

Specified by:

setSize in class WidgetAdapter

Parameters:

component - the container instance

w - the width dimension

h - the height dimension

setLocation

public void setLocation(java.lang.Object component,
                        int x,
                        int y)

Set the current location of the component

Specified by:

setLocation in class WidgetAdapter

Parameters:

component - the container instance

x - the left/x edge coordinates

y - the top/y edge coordinates

getLocation

public java.lang.Object getLocation(java.lang.Object component)

Get the location of the component

Specified by:

getLocation in class WidgetAdapter

Parameters:

component - the component instance

Returns:

the AWT Point object indicating the location

getX

public int getX(java.lang.Object component)

Get the location of the component's left (X) edge

Specified by:

getX in class WidgetAdapter

Parameters:

component - the container instance

Returns:

the x coordinate

getY

public int getY(java.lang.Object component)

Get the location of the component's top (Y) edge

Specified by:

getY in class WidgetAdapter

Parameters:

component - the container instance

Returns:

the y coordinate

getWidth

public int getWidth(java.lang.Object component)

Get the component width

Specified by:

getWidth in class WidgetAdapter

Parameters:

component - the container instance

Returns:

the width

getHeight

public int getHeight(java.lang.Object component)

Get the component height

Specified by:

getHeight in class WidgetAdapter

Parameters:

component - the container instance

Returns:

the height

setName

public void setName(java.lang.Object component,
                    java.lang.String name)

Set the name of the component

Specified by:

setName in class WidgetAdapter

Parameters:

component - the container instance

name - the new component name

repaint

public void repaint(java.lang.Object component)

Request that the component repaints itself

Specified by:

repaint in class WidgetAdapter

Parameters:

component - the container instance

isContainer

public boolean isContainer(java.lang.Object container)

Check if the component is a container object, that is that it is capable of containing children

Specified by:

isContainer in class WidgetAdapter

Parameters:

container - the container instance

Returns:

true if the object is a container